Core Cross Reference Table Core Data Technical Information Technical Information OD 777 ID 49.23mm HT 12.7mm Core dimensions and Physical specifications OD, max 77.8mm 3.063in ID, min 49.23mm 1.938in Physical specifications Cross Section Path Length Window Area After Coating Before Coating HT, max 12.7mm 0.5in OD, max 78.9mm 3.106in ID, min 48mm 1.89in HT, max 13.97mm 0.55in (Ae) 1.77cm2 0.274in2 (le) 20cm 7.874in (Wa) 18.1cm2 3572000cmil Volume (V) 35.4cm3 2.16in3 Core Part Number Permeability( ) 26 60 75 90 125 147 160 173 200 Part Number High Flux Sendust AL (nH/N2) MPP 30 68 85 102 142 ----- OR777M026 OR777M060 OR777M125 - OR777H026 OR777H060 OR777H125 - OR777S026 OR777S060 OR777S075 OR777S090 OR777S125 - DC Resistance(Rdc) per Inductance( /mH) SFlux OR777F060 OR777F090 - 0.0392 0.0170 0.0136 0.0113 0.0081 0.0069 0.0064 0.0059 0.0051 Winding Information AWG wire Single layer No. Dia.(cm) Turns 8 9 10 11 12 13 0.334 0.298 0.267 0.238 0.213 0.190 41 47 53 60 67 76 AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0055 0.0079 0.0113 0.0162 0.0228 0.0325 14 15 16 17 18 19 0.171 0.153 0.137 0.122 0.110 0.098 84 95 106 119 134 150 AL value vs. DC Bias characteristics AWG wire Single layer Rdc, No. Dia.(cm) Turns 0.0454 0.0646 0.0912 0.1290 0.1830 0.2580 20 21 22 23 24 25 0.088 0.079 0.070 0.063 0.057 0.051 168 188 211 235 263 295 Rdc, 0.3640 0.5140 0.7320 1.0200 1.3000 1.8400